initial commit

otk/widget.cc

@@ -0,0 +1,182 @@
+#include "widget.hh"
+#include "display.hh"
+#include "assassin.hh"
+#include "screeninfo.hh"
+
+namespace otk {
+
+OtkWidget::OtkWidget(OtkWidget *parent)
+  : _parent(parent), _visible(false), _focused(false), _grabbed_mouse(false),
+    _grabbed_keyboard(false), _stretchable_vert(false),
+    _stretchable_horz(false), _texture(NULL), _screen(parent->getScreen()),
+    _cursor(parent->getCursor())
+{
+  parent->addChild(this);
+  create();
+}
+
+OtkWidget::OtkWidget(unsigned int screen, Cursor cursor = 0)
+  : _parent(NULL), _visible(false), _focused(false), _grabbed_mouse(false),
+    _grabbed_keyboard(false), _stretchable_vert(false),
+    _stretchable_horz(false), _texture(NULL), _screen(screen),
+    _cursor(cursor)
+{
+  create();
+}
+
+OtkWidget::~OtkWidget()
+{
+  if (_visible)
+    hide();
+
+  std::for_each(_children.begin(), _children.end(), PointerAssassin());
+
+  if (_parent)
+    _parent->removeChild(this);
+
+  XDestroyWindow(otk::OBDisplay::display, _window);
+}
+
+void OtkWidget::create(void)
+{
+  const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
+  Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
+
+
+  _rect.setRect(10, 10, 20, 20);
+
+  XSetWindowAttributes attrib_create;
+  unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
+
+  attrib_create.background_pixmap = None;
+  attrib_create.colormap = scr_info->getColormap();
+  attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
+    ButtonMotionMask | ExposureMask;
+
+  if (_cursor) {
+    create_mask |= CWCursor;
+    attrib_create.cursor = _cursor;
+  }
+
+  _window = XCreateWindow(otk::OBDisplay::display, p_window, _rect.x(),
+                          _rect.y(), _rect.width(), _rect.height(), 0,
+                          scr_info->getDepth(), InputOutput,
+                          scr_info->getVisual(), create_mask, &attrib_create);
+}
+
+void OtkWidget::move(const Point &to)
+{
+  move(to.x(), to.y());
+}
+
+void OtkWidget::move(int x, int y)
+{
+  _rect.setPos(x, y);
+  XMoveWindow(otk::OBDisplay::display, _window, x, y);
+}
+
+void OtkWidget::resize(const Point &to)
+{
+  resize(to.x(), to.y());
+}
+
+void OtkWidget::resize(int x, int y)
+{
+  assert(x >= _rect.x() && y >= _rect.y());
+
+  _rect.setWidth(x - _rect.x());
+  _rect.setHeight(y - _rect.y());
+}
+
+void OtkWidget::setGeometry(const Rect &new_geom)
+{
+  setGeometry(new_geom.x(), new_geom.y(), new_geom.height(), new_geom.width());
+}
+ 
+void OtkWidget::setGeometry(const Point &topleft, int width, int height)
+{
+  setGeometry(topleft.x(), topleft.y(), width, height);
+}
+
+void OtkWidget::setGeometry(int x, int y, int width, int height)
+{
+  _rect = Rect(x, y, width, height);
+  XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
+}
+
+void OtkWidget::show(void)
+{
+  if (_visible)
+    return;
+
+  OtkWidgetList::iterator it = _children.begin(), end = _children.end();
+  for (; it != end; ++it)
+    (*it)->show();
+
+  XMapWindow(otk::OBDisplay::display, _window);
+  _visible = true;
+}
+
+void OtkWidget::hide(void)
+{
+  if (! _visible)
+    return;
+
+  OtkWidgetList::iterator it = _children.begin(), end = _children.end();
+  for (; it != end; ++it)
+    (*it)->hide();
+
+  XUnmapWindow(otk::OBDisplay::display, _window);
+  _visible = false;
+}
+
+void OtkWidget::focus(void)
+{
+  if (! _visible)
+    return;
+
+  XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
+                 CurrentTime);
+}
+
+void OtkWidget::blur(void)
+{
+  // ?
+}
+
+bool OtkWidget::grabMouse(void)
+{
+  return true;
+}
+
+void OtkWidget::ungrabMouse(void)
+{
+
+}
+
+bool OtkWidget::grabKeyboard(void)
+{
+  return true;
+}
+
+void OtkWidget::ungrabKeyboard(void)
+{
+
+}
+
+void OtkWidget::setTexture(BTexture *texture)
+{
+  texture = texture;
+}
+
+void OtkWidget::addChild(OtkWidget *child)
+{
+  child = child;
+}
+
+void OtkWidget::removeChild(OtkWidget *child)
+{
+  child = child;
+}
+
+}

otk/widget.hh

@@ -0,0 +1,93 @@
+#include <string>
+#include <list>
+
+#include "rect.hh"
+#include "point.hh"
+#include "texture.hh"
+
+namespace otk {
+
+class OtkWidget {
+
+public:
+
+  typedef std::list<OtkWidget *> OtkWidgetList;
+
+  OtkWidget(OtkWidget *parent);
+  OtkWidget(unsigned int screen, Cursor);
+
+  virtual ~OtkWidget();
+
+  inline Window getWindow(void) const { return _window; }
+  inline const OtkWidget *getParent(void) const { return _parent; }
+  inline const OtkWidgetList &getChildren(void) const { return _children; }
+  inline unsigned int getScreen(void) const { return _screen; }
+  inline const Rect &getRect(void) const { return _rect; }
+
+  void move(const Point &to);
+  void move(int x, int y);
+
+  virtual void resize(const Point &to);
+  virtual void resize(int x, int y);
+
+  virtual void setGeometry(const Rect &new_geom);
+  virtual void setGeometry(const Point &topleft, int width, int height);
+  virtual void setGeometry(int x, int y, int width, int height);
+
+  inline bool isVisible(void) const { return _visible; };
+  virtual void show(void);
+  virtual void hide(void);
+
+  inline bool isFocused(void) const { return _focused; };
+  virtual void focus(void);
+  virtual void blur(void);
+
+  inline bool hasGrabbedMouse(void) const { return _grabbed_mouse; }
+  bool grabMouse(void);
+  void ungrabMouse(void);
+
+  inline bool hasGrabbedKeyboard(void) const { return _grabbed_keyboard; }
+  bool grabKeyboard(void);
+  void ungrabKeyboard(void);
+
+  inline const BTexture *getTexture(void) const { return _texture; }
+  virtual void setTexture(BTexture *texture);
+
+  virtual void addChild(OtkWidget *child);
+  virtual void removeChild(OtkWidget *child);
+
+  inline bool getStretchableHorz(void) const { return _stretchable_horz; }
+  void setStretchableHorz(bool s_horz) { _stretchable_horz = s_horz; }
+
+  inline bool getStretchableVert(void) const { return _stretchable_vert; }
+  void setStretchableVert(bool s_vert)  { _stretchable_vert = s_vert; }
+
+  inline Cursor getCursor(void) const { return _cursor; }
+
+private:
+
+  void create(void);
+
+  Window _window;
+
+  OtkWidget *_parent;
+  OtkWidgetList _children;
+ 
+  bool _visible;
+  bool _focused;
+
+  bool _grabbed_mouse;
+  bool _grabbed_keyboard;
+
+  bool _stretchable_vert;
+  bool _stretchable_horz;
+
+  BTexture *_texture;
+
+  Rect _rect;
+  unsigned int _screen;
+
+  Cursor _cursor;
+};
+
+}